SUPEREX 2PCS 3v 400 mAh CR123A 16340 Battery + Car Charger Dual Rapid Rechargeable Battery Charger for 3V CR123 Lithium Batteries The battery charger can automatically identify Li-ion CR2 or CR123 rechargeable batteries End-of-charge voltage detection assures the safe and full charge any time MCU control with Short-circuit protection, Over voltage cut-off protection, Reverse polarity protection Complete individual channels, Constant current and voltage.CR123 battery Can be compatible with a variety of devices, such as flashes, remotes, flashlights, binoculars with digital read-outs, toys, games, and portable devices ,etc Reset the battery you can test Bad/non-rechargeable batteries. Adaptor is randomly selected for shipping Superex S12BK3VCR123A2 smart battery charger for 3V CR123A or CR2 rechargeable lithium batteries 
and includes two of the 400mAh CR123A type Individually-monitored channels allow you to charge one battery or two simultaneously 
and you can even charge a CR123A and a CR2 together Charging time is about 2.4 hr for 1-2 CR123A batteries, or 1.6 hr for 1- 2 CR2 batteries LED indicators are red when charging is in-progress and flash in blue  when it&#039;s 80-90% done. They will change to a constant blue when charging  is 90-100% complete  and will flash red and blue to alert you to a battery error. Over-voltage protection keeps the charger from outputting too much power and surge protection shields it from input power overload Reverse polarity protection prevents damage if batteries are inserted incorrectly The Dual Rapid charger accepts 100-240V AC input power for use all over the world An AC and DC adapter are included for use at-home in the office or on-the-go. The included CR123A batteries are rechargeable up to 1000 times and feature excellent high-load performance which helps prevent memory effect. *<span class="a-text-bold">***Please pay attention to that The rechargeable batteries that is  suitable for the Arlo wire free cameras is a CR123 Lithium batteries  with 3.6 or 3.7V, 3V is not suitable.
</span> T ecently  we got some feedback from customer that SUPEREX 3.0V CR123A  Rechargeable Batterie won&#039;t last as the Alkaline Batteries. So we  contact Arlo company and got their official reply as below:&#034;